Home / 133,789.19-200,290.11-89,305.61

Finding the Fourth Proportional to 133,789.19, 200,290.11 and 89,305.61

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Solution

The fourth proportional to 133,789.19, 200,290.11 and 89,305.61 is: 133,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,789.19 : 200,290.11 = 89,305.61 : x
  2. Step 2: Convert to fraction form
    133,789.19/200,290.11 = 89,305.61/x
  3. Step 3: Cross multiply
    133,789.19x = 200,290.11 × 89,305.61
  4. Step 4: Simplify right side
    133,789.19x = 17,887,029,449.07
  5. Step 5: Solve for x
    x = 17,887,029,449.07/133,789.19
  6. Step 6: Final answer
    x = 133,695.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.